90-830234R3 – Mercury Mariner Service Manual 75–125HP (1997)

The 90-830234R3 Mercury 75/125hp Service Manual provides factory-authorized guidance for 75, 90, 100, 115, and 125HP outboard motors from 1997. Covering models such as the 75 Marathon, 75 Sea Pro, and 65/80 Jet, this comprehensive manual is essential for technicians, mechanics, and boat owners who need reliable instructions for repair and maintenance.

Designed by Mercury Marine, this service manual ensures accuracy with detailed procedures, clear diagrams, and step-by-step instructions. It covers a wide range of systems, including ignition, fuel delivery, cooling, lubrication, electrical, and gearcase components. Exploded-view illustrations with reference part numbers make it easy to identify and replace parts correctly.

The Mercury 75/125hp Service Manual (90-830234R3) is particularly valuable because it includes torque specifications, troubleshooting guides, and wiring diagrams. Whether you’re performing basic maintenance or a full rebuild, this manual provides the technical details to ensure your outboard runs smoothly and efficiently.

For U.S. models, this manual covers serial numbers 0D283222 and above, while for Belgium-produced models, it applies to 05793577 and higher. This ensures compatibility with a wide range of engines built in 1997 and beyond.

Key Features:

• Part Number: 90-830234R3

• Models Covered: 75 Marathon, 75 Sea Pro, 90, 100, 115, 125HP, 65/80 Jet

• Year: 1997

• Factory-approved content from Mercury Marine

• Detailed repair instructions, diagrams, and parts identification

• Torque specs, troubleshooting, and electrical wiring guides included

At Arizona Outboard Dismantlers, we provide high-quality manuals and marine parts to help boaters and mechanics keep their equipment in top condition. The 90-830234R3 manual is an essential reference for anyone working on mid-range Mercury Mariner outboards.